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Coronavirus SARS-CoV-2; COVID-19; 2019-nCoV; Activitats; Contenció; Mesures de seguretat Coronavirus SARS-CoV-2; COVID-19; 2019-nCoV; Actividades; Contención; Medidas de seguridad Coronavirus SARS-CoV-2; COVID-19; 2019-nCoV; Activities; Containment; Security measures Cartell adreçat a la ciutadania informant de les mesures de protecció destinades a la contenció de la COVID-19 que seran d'aplicació a partir del 8 de març a Catalunya. Cartel dirigido a la ciudadanía informando de las medidas de protección destinadas a la contención de la Covid-19 que serán de aplicación a partir del 8 de marzo en Catalunya. Poster addressed to the public informing of the protection measures intended for the containment of the COVID-19 that will be applicable from March 8 in Catalonia.

Altres ajuts: ZZ and NW acknowledge the computer resources at MareNostrum and the technical support provided by Barcelona Supercom- puting Center (FI-2020-1-0014). We acknowledge PRACE for awarding us access to MareNostrum 4 at Barcelona Supercomputing Center (BSC), Spain (OptoSpin project id. 2020225411) Proximity effects between layered materials trigger a plethora of novel and exotic quantum transport phenomena. Besides, the capability to modulate the nature and strength of proximity effects by changing crystalline and interfacial symmetries offers a vast playground to optimize physical properties of relevance for innovative applications. In this work, we use large-scale first principles calculations to demonstrate that strain and twist-angle strongly vary the spin-orbit coupling in graphene/transition metal dichalcogenide heterobilayers. Such a change results in a modulation of the spin relaxation times by up to two orders of magnitude. Additionally, the relative strengths of valley-Zeeman and Rashba spin-orbit coupling can be tailored upon twisting, which can turn the system into an ideal Dirac-Rashba regime or generate transitions between topological states of matter. These results shed new light on the debated variability of spin-orbit coupling and clarify how lattice deformations can be used as a knob to control spin transport. Our outcomes also suggest complex spin transport in polycrystalline materials, due to the random variation of grain orientation, which could reflect in large spatial fluctuations of spin-orbit coupling fields

This chapter offers a general overview of the often spectacular rise of the share of cohabitation in the process of union formation in 24 Latin American and Caribbean countries during the last 30 years of the twentieth and the first decade of the twenty-first century. First, we offer a brief ethnographic and historical sketch to illustrate the special position of many Latin American regions and sub-populations with respect to forms of partnership formation other than classic marriage. Second, we present the national trends in the rising share of cohabitation in union formation for men and women for the age groups 25-29 and 30-34. Third, we inspect the education and social class differentials by presenting the cross-sectional gradients over time. Fourth, we reflect on the framework of the "second demographic transition" and hence on the de-stigmatization of a number of other behaviors that were equally subject to strong normative restrictions in the past (e.g. divorce, abortion, homosexuality, suicide and euthanasia). Last, we deal with the household and family contexts of married persons and cohabitors respectively.

US studies of marriage and cohabitation have mainly highlighted the social and racial differentials as they were observed in cross-sections, and have as a result essentially focused on the "pattern of disadvantage". The evolution of such social differentials over time and space reveals that this pattern of disadvantage has clearly persisted, but that it is far from covering the whole story. Historically, there has been a major contribution to the rise of cohabitation by white college students, and later on young white adults with higher education continued to start unions via cohabitation to ever increasing degrees. Only, they seem to move into marriage to a greater extent later on in life than other population segments. Also, the religious affiliation matters greatly: Mormons and evangelical Christians have resisted the current trends. Furthermore this effect is not only operating at the individual but at the contextual level as well. Conversely, even after controls for competing socio-economic explanations, residence in areas (either counties or PUMA-areas) with a Democratic voting pattern is related to higher cohabitation probabilities. And, finally, different legal contexts at the level of States also significantly contributed to the emergence of strong spatial contrasts. Hence, there is a concurrence of several factors shaping the present differentiations, and the rise of secular and liberal attitudes, i.e. the "ethics revolution", is equally a part of the explanation.

Polítiques de salut; Salut pública; Sistema sanitari Health policies; Public health; Sanitary system Políticas de salud; Salud pública; Sistema sanitario Aquesta infografia dóna fe d'unes accions i d’uns resultats, però, sobretot, vol reconèixer l'esforç i el sacrifici fets aquest lustre per un capital humà que, amb el seu coneixement i per sobre de l'interès personal, ha estat a l'altura del que el país i la sanitat pública requerien, ja fos a les administracions, a les professions o a les entitats organitzades de la societat civil.